Multi-piece solid golf ball
a golf ball and multi-piece technology, applied in the field of multi-piece solid golf balls, can solve the problems of degrading productivity and reducing durability, and achieve the effects of improving rebound characteristics, flight performance and durability, and good productivity
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[0048] The following Examples and Comparative Examples further illustrate the present invention in detail but are not to be construed to limit the scope of the present invention.
[0049] Production of Core
[0050] The rubber compositions for the core having the formulations shown in Table 1 were mixed, and then vulcanized by press-molding at the vulcanization condition shown in the same Table in a mold to obtain spherical cores. The diameter, surface hardness and deformation amount of the resulting core were measured. The results are shown in Table 1, Table 4 (Examples) and Table 5 (Comparative Examples). The test methods are described later.
1 TABLE 1 (parts by weight) Core composition A B C D E F G BR11 *1 100 100 100 100 100 100 100 Zinc acrylate 32.0 25.0 25.0 25.0 25.0 25.0 28.0 Zinc oxide 18.0 22.0 8.0 19.5 10.5 23.5 27.0 Dicumyl peroxide *2 0.6 0.9 0.9 0.9 0.9 0.9 0.6 Diphenyl disulfide *3 1.0 -- -- -- -- --0.5 Vulcanization condition The first Temp. (.degree. C.) 146 155 155 155 ...
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